diff --git a/configs/imx8mn_evk_defconfig b/configs/imx8mn_evk_defconfig
index 6390a27..7c1e48d 100644
--- a/configs/imx8mn_evk_defconfig
+++ b/configs/imx8mn_evk_defconfig
@@ -50,6 +50,7 @@
 CONFIG_SYS_MAXARGS=64
 CONFIG_SYS_CBSIZE=2048
 CONFIG_SYS_PBSIZE=2074
+CONFIG_SYS_BOOTM_LEN=0x2000000
 # CONFIG_CMD_EXPORTENV is not set
 # CONFIG_CMD_IMPORTENV is not set
 CONFIG_CMD_ERASEENV=y